Supporting information

This line item volume (0 ML) represents the total groundwater extracted for irrigation supply in the Perth region during the 2011–12 year.

Quantification approach

Data source

Water Resource Licensing database.

Provided by

Department of Water.

Method

There is only one groundwater irrigation licence within the Perth region (Chittering Valley). No metered data are available; however, according to the licence holder, no groundwater was extracted during the 2011–12 year.

Assumptions, limitations, caveats and approximations

Nil.

Uncertainty information

The uncertainty estimate was not quantified.

Comparative year

This line item corresponds to line item '12.10 Allocation extraction of groundwater to irrigation scheme' reported in the 2011 Account.